Used MXR M133 Micro Amp Pre Effect Pedal

Boost your tone with this used MXR M133 Micro Amp Preamp pedal in good condition, a classic clean gain solution for guitar and bass. Its single Gain knob delivers up to +26 dB of transparent boost to push amps, lift solos, or sweeten your signal without changing your core sound. Built in a rugged compact metal housing, it features standard 1/4" input/output and runs on a 9V battery or optional 9V DC adapter.